Matsumura-san,

> I try to explain as follows. I would like to receive your comment.
> ...

I'm afraid I don't really understand your explanation. Why is handling
a bytea so different from handling a varchar? I can see some
differences due to its binary nature, but I do not understand why it
needs so much special handling for stuff like its length? There is a
length field in the structure but instead of using it the data field is
used to store both, the length and the data. What am I missing?

Please keep in mind that I did not write the descriptor code, so I may
very well not see the obvious.

Michael
-- 
Michael Meskes
Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org)
Meskes at (Debian|Postgresql) dot Org
Jabber: michael at xmpp dot meskes dot org
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